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An IMSI catcher pretends to be a cellphone tower to attract nearby cell signals. When it does, it can intercept the unique ID number associated with your phone, the International Mobile Subscriber Identity, or IMSI. That number can then be used to track your phone. (CBC)

Unprecedented briefing with reporters comes in wake of CBC investigation into illegal spying in Ottawa

The RCMP for the first time is publicly confirming it uses cellphone surveillance devices in investigations across Canada — but at the same time says the potential of unauthorized snooping in Ottawa, as reported by CBC News, poses a threat to national security. Read the rest of this entry →